Section 700 - Operation
Dial Tone Disable
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The intercom dial tone can be turned off at a phone. Dial tone is turned off
when a headset is used.
To disable the intercom dial tone:
1. Press the ON/OFF key.
The phone issues intercom dial tone.
The ON/OFF LED lights.
2. Press 'MO."
3. Press the ON/OFF key.
. The ON/OFF LED goes off.
To reactivate dial tone:
Repeat the preceding steps.
Chapter 4. Key Telephone Features